Portland, Maine
Hourly Forecast
Updated: 2026-05-16 @ 7:17 pm| Time | Temp | (feels) | Conditions | Precip | Humidity | Wind | |
|---|---|---|---|---|---|---|---|
| Saturday May 16 | |||||||
| 7:00 PM | 57° F | Mostly Clear |
0%
|
72%
|
S 10 mph
|
||
| 8:00 PM | 57° F | Partly Cloudy |
0%
|
75%
|
S 10 mph
|
||
| 9:00 PM | 57° F | Mostly Cloudy |
6%
|
75%
|
S 10 mph
|
||
| 10:00 PM | 58° F | Cloudy |
12%
|
72%
|
S 15 mph
|
||
| 11:00 PM | 57° F | Chance Rain Showers |
33%
|
75%
|
SW 15 mph
|
||
| Sunday May 17 | |||||||
| 12:00 AM | 57° F | Rain Showers Likely |
63%
|
77%
|
SW 15 mph
|
||
| 1:00 AM | 57° F | Chance Rain Showers |
48%
|
77%
|
SW 15 mph
|
||
| 2:00 AM | 57° F | Mostly Cloudy |
14%
|
80%
|
SW 15 mph
|
||
| 3:00 AM | 57° F | Mostly Clear |
1%
|
83%
|
SW 10 mph
|
||
| 4:00 AM | 56° F | Mostly Clear |
0%
|
86%
|
W 10 mph
|
||
| 5:00 AM | 57° F | Sunny |
0%
|
83%
|
W 10 mph
|
||
| 6:00 AM | 59° F | Sunny |
0%
|
78%
|
W 10 mph
|
||
| 7:00 AM | 61° F | Sunny |
0%
|
75%
|
W 10 mph
|
||
| 8:00 AM | 64° F | Sunny |
0%
|
65%
|
W 10 mph
|
||
| 9:00 AM | 65° F | Sunny |
0%
|
60%
|
W 15 mph
|
||
| 10:00 AM | 67° F | Sunny |
0%
|
52%
|
W 15 mph
|
||
| 11:00 AM | 68° F | Sunny |
0%
|
49%
|
W 15 mph
|
||
| 12:00 PM | 70° F | Sunny |
0%
|
44%
|
W 15 mph
|
||
| 1:00 PM | 70° F | Sunny |
0%
|
42%
|
W 15 mph
|
||
| 2:00 PM | 70° F | Sunny |
0%
|
42%
|
W 15 mph
|
||
| 3:00 PM | 71° F | Sunny |
0%
|
41%
|
NW 15 mph
|
||
| 4:00 PM | 70° F | Sunny |
0%
|
44%
|
NW 15 mph
|
||
| 5:00 PM | 69° F | Mostly Clear |
0%
|
45%
|
NW 15 mph
|
||
| 6:00 PM | 66° F | Clear |
0%
|
50%
|
NW 5 mph
|
||
| 7:00 PM | 62° F | Clear |
0%
|
58%
|
NW 5 mph
|
||
| 8:00 PM | 60° F | Partly Cloudy |
0%
|
62%
|
NW 5 mph
|
||
| 9:00 PM | 58° F | Partly Cloudy |
0%
|
64%
|
N 5 mph
|
||
| 10:00 PM | 56° F | Partly Cloudy |
0%
|
69%
|
N 5 mph
|
||
| 11:00 PM | 55° F | Partly Cloudy |
0%
|
69%
|
N 5 mph
|
||
| Monday May 18 | |||||||
| 12:00 AM | 54° F | Partly Cloudy |
0%
|
71%
|
N 5 mph
|
||
| 1:00 AM | 52° F | Mostly Cloudy |
0%
|
77%
|
N 5 mph
|
||
| 2:00 AM | 51° F | Partly Cloudy |
0%
|
77%
|
N 5 mph
|
||
| 3:00 AM | 51° F | Partly Cloudy |
0%
|
77%
|
0 mph
|
||
| 4:00 AM | 49° F | (67° F) | Partly Cloudy |
0%
|
80%
|
0 mph
|
|
| 5:00 AM | 50° F | (67° F) | Mostly Sunny |
0%
|
77%
|
0 mph
|
|
| 6:00 AM | 51° F | Mostly Sunny |
0%
|
74%
|
0 mph
|
||
| 7:00 AM | 53° F | Sunny |
0%
|
69%
|
0 mph
|
||
| 8:00 AM | 55° F | Sunny |
0%
|
61%
|
0 mph
|
||
| 9:00 AM | 56° F | Mostly Sunny |
0%
|
59%
|
SE 5 mph
|
||
| 10:00 AM | 56° F | Partly Sunny |
0%
|
59%
|
S 5 mph
|
||
| 11:00 AM | 56° F | Partly Sunny |
0%
|
59%
|
S 10 mph
|
||
| 12:00 PM | 56° F | Partly Sunny |
0%
|
57%
|
S 10 mph
|
||
| 1:00 PM | 57° F | Partly Sunny |
0%
|
55%
|
S 10 mph
|
||
| 2:00 PM | 57° F | Partly Sunny |
0%
|
55%
|
S 10 mph
|
||
| 3:00 PM | 58° F | Mostly Sunny |
0%
|
55%
|
S 10 mph
|
||
| 4:00 PM | 58° F | Mostly Sunny |
0%
|
55%
|
S 10 mph
|
||
| 5:00 PM | 57° F | Partly Cloudy |
0%
|
57%
|
S 10 mph
|
||
| 6:00 PM | 55° F | Mostly Clear |
0%
|
61%
|
S 10 mph
|
||
| 7:00 PM | 54° F | Mostly Clear |
1%
|
64%
|
S 5 mph
|
||
| 8:00 PM | 53° F | Mostly Clear |
1%
|
69%
|
S 5 mph
|
||
| 9:00 PM | 52° F | Mostly Clear |
1%
|
77%
|
S 5 mph
|
||
| 10:00 PM | 52° F | Mostly Clear |
1%
|
80%
|
S 5 mph
|
||
| 11:00 PM | 52° F | Mostly Clear |
1%
|
83%
|
S 5 mph
|
||
| Tuesday May 19 | |||||||
| 12:00 AM | 52° F | Mostly Clear |
1%
|
83%
|
S 5 mph
|
||
| 1:00 AM | 52° F | Mostly Clear |
4%
|
86%
|
S 5 mph
|
||
| 2:00 AM | 53° F | Partly Cloudy |
4%
|
86%
|
S 5 mph
|
||
| 3:00 AM | 54° F | Partly Cloudy |
4%
|
83%
|
SW 5 mph
|
||
| 4:00 AM | 55° F | Partly Cloudy |
4%
|
83%
|
SW 5 mph
|
||
| 5:00 AM | 57° F | Mostly Sunny |
4%
|
80%
|
SW 5 mph
|
||
| 6:00 AM | 59° F | Mostly Sunny |
4%
|
80%
|
SW 10 mph
|
||
| 7:00 AM | 61° F | Sunny |
4%
|
78%
|
SW 10 mph
|
||
| 8:00 AM | 64° F | Sunny |
4%
|
73%
|
SW 10 mph
|
||
| 9:00 AM | 66° F | Sunny |
3%
|
70%
|
SW 10 mph
|
||
| 10:00 AM | 69° F | Sunny |
3%
|
63%
|
SW 10 mph
|
||
| 11:00 AM | 71° F | Sunny |
2%
|
59%
|
SW 10 mph
|
||
| 12:00 PM | 74° F | Mostly Sunny |
2%
|
53%
|
SW 10 mph
|
||
| 1:00 PM | 76° F | Mostly Sunny |
11%
|
50%
|
SW 10 mph
|
||
| 2:00 PM | 78° F | Mostly Sunny |
14%
|
47%
|
SW 10 mph
|
||
| 3:00 PM | 81° F | Slight Chance Rain Showers |
16%
|
42%
|
SW 10 mph
|
||
| 4:00 PM | 78° F | Slight Chance Rain Showers |
19%
|
47%
|
SW 10 mph
|
||
| 5:00 PM | 75° F | Slight Chance Rain Showers |
18%
|
52%
|
SW 10 mph
|
||
| 6:00 PM | 72° F | Slight Chance Rain Showers |
16%
|
59%
|
SW 10 mph
|
||
| 7:00 PM | 72° F | Partly Cloudy |
13%
|
59%
|
SW 5 mph
|
||
| 8:00 PM | 70° F | Partly Cloudy |
11%
|
63%
|
SW 5 mph
|
||
| 9:00 PM | 68° F | Partly Cloudy |
8%
|
70%
|
SW 5 mph
|
||
| 10:00 PM | 66° F | Partly Cloudy |
5%
|
75%
|
SW 5 mph
|
||
| 11:00 PM | 65° F | Partly Cloudy |
4%
|
78%
|
SW 5 mph
|
||
| Wednesday May 20 | |||||||
| 12:00 AM | 65° F | Partly Cloudy |
4%
|
78%
|
SW 5 mph
|
||
| 1:00 AM | 65° F | Partly Cloudy |
3%
|
78%
|
SW 5 mph
|
||
| 2:00 AM | 65° F | Partly Cloudy |
2%
|
78%
|
SW 5 mph
|
||
| 3:00 AM | 64° F | Partly Cloudy |
2%
|
78%
|
SW 10 mph
|
||
| 4:00 AM | 64° F | Partly Cloudy |
1%
|
78%
|
SW 10 mph
|
||
| 5:00 AM | 64° F | Mostly Sunny |
3%
|
78%
|
SW 10 mph
|
||
| 6:00 AM | 64° F | Mostly Sunny |
4%
|
78%
|
SW 10 mph
|
||
| 7:00 AM | 65° F | Mostly Sunny |
6%
|
75%
|
SW 10 mph
|
||
| 8:00 AM | 67° F | Mostly Sunny |
7%
|
70%
|
SW 10 mph
|
||
| 9:00 AM | 69° F | Mostly Sunny |
9%
|
66%
|
SW 10 mph
|
||
| 10:00 AM | 71° F | Mostly Sunny |
10%
|
61%
|
SW 10 mph
|
||
| 11:00 AM | 72° F | Slight Chance Rain Showers |
17%
|
59%
|
SW 10 mph
|
||
| 12:00 PM | 73° F | Chance Rain Showers |
25%
|
55%
|
SW 10 mph
|
||
| 1:00 PM | 74° F | Chance Showers And Thunderstorms |
32%
|
53%
|
SW 15 mph
|
||
| 2:00 PM | 75° F | Chance Showers And Thunderstorms |
39%
|
52%
|
SW 15 mph
|
||
| 3:00 PM | 76° F | Chance Showers And Thunderstorms |
47%
|
50%
|
SW 15 mph
|
||
| 4:00 PM | 76° F | Chance Showers And Thunderstorms |
54%
|
50%
|
SW 15 mph
|
||
| 5:00 PM | 74° F | Chance Showers And Thunderstorms |
48%
|
53%
|
W 10 mph
|
||
| 6:00 PM | 72° F | Chance Showers And Thunderstorms |
42%
|
55%
|
W 10 mph
|
||
| 7:00 PM | 69° F | Chance Rain Showers |
36%
|
61%
|
W 10 mph
|
||
| 8:00 PM | 66° F | Chance Rain Showers |
29%
|
65%
|
W 10 mph
|
||
| 9:00 PM | 63° F | Slight Chance Rain Showers |
23%
|
72%
|
W 10 mph
|
||
| 10:00 PM | 61° F | Slight Chance Rain Showers |
17%
|
75%
|
W 10 mph
|
||
| 11:00 PM | 60° F | Slight Chance Rain Showers |
17%
|
75%
|
W 5 mph
|
||
| Thursday May 21 | |||||||
| 12:00 AM | 59° F | Slight Chance Rain Showers |
16%
|
75%
|
NW 5 mph
|
||
| 1:00 AM | 58° F | Slight Chance Rain Showers |
16%
|
75%
|
NW 5 mph
|
||
| 2:00 AM | 56° F | Slight Chance Rain Showers |
15%
|
77%
|
NW 5 mph
|
||
| 3:00 AM | 54° F | Slight Chance Rain Showers |
15%
|
77%
|
NW 5 mph
|
||
| 4:00 AM | 53° F | Mostly Cloudy |
14%
|
77%
|
NW 5 mph
|
||
| 5:00 AM | 52° F | Partly Sunny |
13%
|
77%
|
NW 5 mph
|
||
| 6:00 AM | 52° F | Partly Sunny |
11%
|
71%
|
N 5 mph
|
||
| 7:00 AM | 53° F | Partly Sunny |
10%
|
66%
|
N 5 mph
|
||
| 8:00 AM | 54° F | Partly Sunny |
8%
|
61%
|
N 5 mph
|
||
| 9:00 AM | 55° F | Partly Sunny |
7%
|
59%
|
N 5 mph
|
||
| 10:00 AM | 56° F | Partly Sunny |
5%
|
57%
|
N 5 mph
|
||
| 11:00 AM | 57° F | Partly Sunny |
5%
|
55%
|
N 5 mph
|
||
| 12:00 PM | 57° F | Partly Sunny |
5%
|
53%
|
NW 10 mph
|
||
| 1:00 PM | 58° F | Mostly Sunny |
5%
|
51%
|
NW 10 mph
|
||
| 2:00 PM | 59° F | Mostly Sunny |
5%
|
49%
|
NW 10 mph
|
||
| 3:00 PM | 60° F | Mostly Sunny |
5%
|
47%
|
NW 10 mph
|
||
| 4:00 PM | 60° F | Mostly Sunny |
5%
|
47%
|
NW 10 mph
|
||
| 5:00 PM | 59° F | Partly Cloudy |
5%
|
49%
|
NW 5 mph
|
||
| 6:00 PM | 57° F | Partly Cloudy |
4%
|
51%
|
NW 5 mph
|
||
| 7:00 PM | 55° F | Partly Cloudy |
2%
|
55%
|
NW 5 mph
|
||
| 8:00 PM | 54° F | Partly Cloudy |
2%
|
57%
|
NW 5 mph
|
||
| 9:00 PM | 52° F | Partly Cloudy |
2%
|
61%
|
NW 5 mph
|
||
| 10:00 PM | 51° F | Partly Cloudy |
2%
|
63%
|
NW 5 mph
|
||
| 11:00 PM | 50° F | (49° F) | Partly Cloudy |
2%
|
66%
|
NW 5 mph
|
|
| Friday May 22 | |||||||
| 12:00 AM | 49° F | (48° F) | Partly Cloudy |
2%
|
66%
|
NW 5 mph
|
|
| 1:00 AM | 48° F | (46° F) | Partly Cloudy |
3%
|
68%
|
NW 5 mph
|
|
| 2:00 AM | 47° F | (45° F) | Partly Cloudy |
3%
|
71%
|
NW 5 mph
|
|
| 3:00 AM | 47° F | (65° F) | Partly Cloudy |
3%
|
68%
|
0 mph
|
|
| 4:00 AM | 47° F | (65° F) | Partly Cloudy |
3%
|
68%
|
0 mph
|
|
| 5:00 AM | 47° F | (65° F) | Mostly Sunny |
3%
|
68%
|
0 mph
|
|
| 6:00 AM | 48° F | (66° F) | Mostly Sunny |
3%
|
68%
|
0 mph
|
|
| 7:00 AM | 49° F | (67° F) | Mostly Sunny |
2%
|
66%
|
0 mph
|
|
| 8:00 AM | 51° F | Mostly Sunny |
2%
|
61%
|
0 mph
|
||
| 9:00 AM | 52° F | Mostly Sunny |
2%
|
59%
|
N 5 mph
|
||
| 10:00 AM | 54° F | Mostly Sunny |
2%
|
54%
|
NE 5 mph
|
||
| 11:00 AM | 55° F | Mostly Sunny |
2%
|
53%
|
E 5 mph
|
||
| 12:00 PM | 55° F | Mostly Sunny |
2%
|
53%
|
SE 5 mph
|
||
| 1:00 PM | 55° F | Partly Sunny |
3%
|
53%
|
S 10 mph
|
||
| 2:00 PM | 56° F | Partly Sunny |
3%
|
51%
|
S 10 mph
|
||
| 3:00 PM | 57° F | Partly Sunny |
3%
|
51%
|
S 10 mph
|
||
| 4:00 PM | 57° F | Partly Sunny |
3%
|
51%
|
S 10 mph
|
||
| 5:00 PM | 56° F | Mostly Cloudy |
3%
|
53%
|
S 5 mph
|
||
| 6:00 PM | 55° F | Mostly Cloudy |
3%
|
57%
|
SW 5 mph
|
||
| 7:00 PM | 53° F | Partly Cloudy |
2%
|
61%
|
SW 5 mph
|
||
| 8:00 PM | 51° F | Partly Cloudy |
2%
|
66%
|
SW 5 mph
|
||
| 9:00 PM | 50° F | (49° F) | Partly Cloudy |
2%
|
71%
|
SW 5 mph
|
|
| 10:00 PM | 49° F | (67° F) | Partly Cloudy |
1%
|
74%
|
0 mph
|
|
| 11:00 PM | 49° F | (67° F) | Partly Cloudy |
2%
|
74%
|
0 mph
|
|
| Saturday May 23 | |||||||
| 12:00 AM | 49° F | (67° F) | Partly Cloudy |
2%
|
74%
|
0 mph
|
|
| 1:00 AM | 49° F | (67° F) | Partly Cloudy |
3%
|
74%
|
0 mph
|
|
| 2:00 AM | 49° F | (67° F) | Partly Cloudy |
3%
|
74%
|
0 mph
|
|
| 3:00 AM | 48° F | (66° F) | Partly Cloudy |
3%
|
77%
|
0 mph
|
|
| 4:00 AM | 48° F | (66° F) | Partly Cloudy |
4%
|
77%
|
0 mph
|
|
| 5:00 AM | 48° F | (66° F) | Mostly Sunny |
4%
|
77%
|
0 mph
|
|
| 6:00 AM | 49° F | (67° F) | Mostly Sunny |
5%
|
77%
|
0 mph
|
|